Bertram Roe "Dutch" Lerchen (April 4, 1889 – January 7, 1962) was a shortstop who played briefly for the Boston Red Sox during the 1910 season. Listed at 5 ft 8 in (1.73 m), 160 lb., Lerchen batted and threw right-handed. He was born in Detroit, Michigan. His son, George Lerchen, played for Detroit and Cincinnati from 1952 to 1953.
In a six-game career, Lerchen went hitless in 15 at-bats. He received a walk and scored a run. In six appearances at shortstop, he collected nine outs with four assists and made a double play while committing one error in 14 chances for a .929 fielding percentage.
Lerchen died in his hometown of Detroit, Michigan, at age 72.